GB313654A - Improvements in or relating to plug cocks - Google Patents
Improvements in or relating to plug cocksInfo
- Publication number
- GB313654A GB313654A GB809428A GB809428A GB313654A GB 313654 A GB313654 A GB 313654A GB 809428 A GB809428 A GB 809428A GB 809428 A GB809428 A GB 809428A GB 313654 A GB313654 A GB 313654A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plug
- passage
- inlet passage
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/062—Construction of housing; Use of materials therefor of taps or cocks with conical plugs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
313,654. Shell-Mex, Ltd., and Lawson, J. March 16, 1928. Addition to 297,764. Plug cocks; wedging or jamming.-In a plug cock 1, according to the parent Specification, the inlet passage 7 of the plug and the axial-thrust balancing-chamber 13 are isolated from the sidebalancing recess or pocket 9, and consequently from inlet presure, during that part of the movement of the plug 1 wherein the said inlet passage 7 is entirely out of register with the supply port 3; the plug is therefore permanently balanced laterally but is only balanced axially in the end positions of rest, thereby facilitating turning. For this purpose the inlet passage 7 communicates with the pocket 9 through a non- return ball valve 12 disposed in a passage 11; this prevents the access of liquid from the passage 10 and pocket 9 to the inlet passage 7 and the escape of liquid during the act of reversal of the cock. The balancing-chamber 13 communicates with the inlet passage 7 through a passage 13<1>, so that the balancing-chamber is not subject to fluid pressure during the act of reversal of the plug and is therefore more easily moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB809428A GB313654A (en) | 1928-03-16 | 1928-03-16 | Improvements in or relating to plug cocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB809428A GB313654A (en) | 1928-03-16 | 1928-03-16 | Improvements in or relating to plug cocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB313654A true GB313654A (en) | 1929-06-17 |
Family
ID=9845641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB809428A Expired GB313654A (en) | 1928-03-16 | 1928-03-16 | Improvements in or relating to plug cocks |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB313654A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5795859A (en) * | 1991-07-05 | 1998-08-18 | Peptide Technology Limited | Peptide which abrogates TNF and/or LPS toxicity |
-
1928
- 1928-03-16 GB GB809428A patent/GB313654A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5795859A (en) * | 1991-07-05 | 1998-08-18 | Peptide Technology Limited | Peptide which abrogates TNF and/or LPS toxicity |
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